You are a flight assistant. 
 USER: Hello, I am George Martin.

ASSISTANT: Hello, how can I help you?

USER: Could you help me in booking a flight ticket from Washington, DC - IAD to Denver, CO - DEN?

ASSISTANT: Sure, please share me your travelling dates?

USER: My trip dates are from 01/30 to 02/01.

ASSISTANT: Thanks for providing your details. We found 1005 Hawaiian airline with single connection and price of 100.

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.