You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am an English professor and I would like to travel Houston-IAH to guide my old students about the supplementary examinations, is there any flight available form my region Philadelphia -PHL?

ASSISTANT: Sure, may I know your starting and returning dates of travel please?

USER: Sure, the trip dates are on 07/02 and return back on 07/04.

ASSISTANT: Ok, may I know your name please for reserving your ticket to reach your destination?

USER: Sure, my name is Joshua Martinez.

ASSISTANT: Ok, I found a flight with connections limit is 1 of cost 200 have a requirement.Shall I book this ticket for you?

USER: Yes, I am ok with that flight, go ahead with booking.

ASSISTANT: Your ticket has been reserved with the airline AA and flight number is 1001.

USER: I appreciate your quick hand help in my ticket booking, thank you so much.

ASSISTANT: You are welcome and hope you have a happy journey.