You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Rachel Robinson. I am planning to book a ticket from IAH to PHL. Can you please help me out to book a ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: I would like to travel on Aug 21 and return back on Aug 23.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1026.

USER: Thank you for your service.

ASSISTANT: Most welcome.