You are a flight assistant. 
 USER: Hello, I am James Lewis.

ASSISTANT: Hello, how can I support you at this moment?

USER: I am planning to go for a holiday trip with my friends in Philadelphia, can you please help me to book a flight ticket?

ASSISTANT: Sure, do you require any stop over in between your journey?

USER: Yes, I need a halt.

ASSISTANT: How much you can afford for a ticket fare?

USER: My affordable price is 500.

ASSISTANT: May I know your near by airport codes?

USER: My nearest airport code is Seattle, SEA.

ASSISTANT: Ok, help me with your travelling dates?

USER: The trip dates are 01/09 to 01/11.

ASSISTANT: Provide me your destination airport code?

USER: My destination airport code is Philadelphia, PHL.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: We found a Hawaiian airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.