You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to book a flight ticket from LAX to PHL, Can you please help me in that?

ASSISTANT: Sure, we are ecstatic to help you.

USER: Thank you.

ASSISTANT: May I know on what dates would you like to travel?

USER: My trip dates are Oct 17 to Oct 19.

ASSISTANT: Do you want to fly out of business class or economy class flight?

USER: I want to fly in economy class.

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

USER: I need a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I want to travel with normal cost airline.

ASSISTANT: May I know your good name please?

USER: Myself Sarah Hall.

ASSISTANT: Thanks for your details, there are no flights available at this moment matching your particulars.

USER: Ok, no problem. I will choose alternate way to reach my destination. Thank you.

ASSISTANT: My pleasure, thank you for connecting with our agency.