You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: Myself Timothy Carter. I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland. Can you be my helping hand in making airline reservation?

ASSISTANT: Sure, I would be perky to assist you.

USER: Thanks for considering my request.

ASSISTANT: Would you please let me know where you need to catch the flight and land?

USER: I need to catch my flight from Charlotte, NC - CLT. I will land at Oakland, CA - OAK.

ASSISTANT: May I know how much can you expend for airline reservation?

USER: I can expend up to 1000 from my budget.

ASSISTANT: When would you like to depart and arrive?

USER: I would like to depart on 07/16. And I would like to return on 07/18.

ASSISTANT: Do you need any flag stop in between your journey?

USER: Yes, I need a flag stop in between my journey.

ASSISTANT: Sure, please give me a moment I will check with the airlines which are providing services on this route and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for being patient. We are pleasure to inform, there is a flight available with airline AA and flight number is 1005 with fare 100 providing service on your route according to your provided dates. Would you like me to proceed further?

USER: I am comfortable to travel with AA airline, Reserve my seat.

ASSISTANT: Your seat has been reserved. Your E - ticket has been sent to your email id. Please check it for further details.

USER: Thank you for making me happy with your service.

ASSISTANT: Thank you for communicating with us.