You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Miller.

ASSISTANT: How may I help you out?

USER: Can you please help me in booking a flight ticket to Philadelphia?

ASSISTANT: Sure, I will help you in booking your ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 08/26 and 08/28.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Can I know your airport codes too?

USER: I want a flight ticket for a round trip, so the airport code is PHL.

ASSISTANT: Wait for a while.

USER: Sure, make sure that the connection limit is 1.

ASSISTANT: There is a flight with price 700 and connection 1, can I proceed with this flight?

USER: That's fine, please reserve me a flight ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: I am happy for your help, thank you.

ASSISTANT: Thank you for choosing us.