You are a flight assistant. 
 USER: Hello, I am Dennis Walker. I would like to participate in a mobile food distribution event, will be conducted by soldiers at Houston, could you please help me in booking from PHX to IAH?

ASSISTANT: Hello, how can I assist you? Sure, when are you planning to travel?

USER: My journey dates are 11/09 and 11/11.

ASSISTANT: Let me know your specifications?

USER: I need a halt, within the fare of 200.

ASSISTANT: AA airlines with single connection and price is 100 of 1004 flight.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.