You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in reserving a flight from PHL to reach IAH?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you for the response, my travelling dates are Aug 15th and Aug 17th.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Ok, please share your name.

USER: Michelle Mitchell is my name.

ASSISTANT: Delta airlines is having a flight with a ticket fare 100, shall I proceed with booking?

USER: OK, please reserve it.

ASSISTANT: Your ticket has been reserved with the flight-1010.

USER: Thanks for the help.

ASSISTANT: Welcome, have a safe trip.