You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Linda Lee. I need to book a flight ticket from DEN to SEA, Can you please help me for booking?

ASSISTANT: Sure, Can I help you. Can I know your travelling dates?

USER: II would like to travel on 04/07 to 04/09.

ASSISTANT: We found a Hawaiian airline, flight number:1003 and the price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.