You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua King.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from PHL to ORD, as there is a business meeting?

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

USER: My trip dates are 06/26 to 06/28.

ASSISTANT: AA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: You can book it.

ASSISTANT: Your ticket has been booked with flight-1019, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.