You are a flight assistant. 
 USER: Hello. I am Sara Hill.

ASSISTANT: Hello, how can I help you today?

USER: I want to gather my old documents at Phoenix, can you please book me a ticket?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source is BOS and destination is PHX.

ASSISTANT: Please share me your planned travel dates.

USER: My travelling dates are from 05/03 and 05/05.

ASSISTANT: Do you have any connection limit?

USER: I need a halt.

ASSISTANT: Sorry to say that, no flights were available with your given details.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you so much for your service.