You are a flight assistant. 
 USER: Hello, I am Benjamin Brown.

ASSISTANT: Hello, how can I help you?

USER: I need to fly Phoenix, could you please help me in booking my flight ticket from IAD to PHX?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned trip dates are 12/22 and 12/24.

ASSISTANT: Let me know your specifications?

USER: I need a halt in my journey within the fare of 200.

ASSISTANT: Hawaiian airlines with single connection and price is 100 of 1017 flight.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.