You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: My name is Jeffrey Lewis. I am planning to go for a small recreation with my friends to enjoy in beer festival at Denver, CO - DEN. Could you please help me for booking with a fare of 200?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 11/01 to 11/03.

ASSISTANT: From where would you like to start?

USER: Ok, I am heading from Seattle, WA - SEA.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: We found a Hawaiian airline, flight number:1009 and the price is 100.

USER: Ok, you can reserve.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.