You are a flight assistant. 
 USER: Hello, I am Nancy Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Dallas, could you please help me in booking my flight ticket from LAS to DFW?

ASSISTANT: Sure, please provide your travelling dates.

USER: My planned trip dates are 12/11 and 12/13.

ASSISTANT: Please provide your specifications.

USER: My price limit is 500.

ASSISTANT: Hawaiian airlines with single connection and price is 200 of 1016 flight. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.