You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you are expecting from my side?

USER: I want to make a reservation from OAK to HOU. Please help me to book my ticket.

ASSISTANT:  Sure, I can help you and can you please mention your departure and arrival dates of your journey?

USER: My departure and arrival dates are on Sept 16 and Sept 18.

ASSISTANT: Sure, I am here to help you. may I know your good name please?

USER: My name is Angela Perez.

ASSISTANT: Thank you, is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: Yes, I need a halt connection in between journey.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: Sorry, there is no flight found with your requirement.

USER: Ok, not a problem. Thank you.

ASSISTANT: Welcome,thank you for reaching us.