You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to fly from PHX to BOS. Can you book a flight ticket for this root?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My planned travel dates are 01/04 and 01/06.

ASSISTANT: Do you need a connecting flight or a non stop flight?

USER: No issues with connections. My return time must be in evening with economy class only.

ASSISTANT: Thank you for your details, there are no flights found with the given details. Can I know your good name?

USER: Sure, Catherine Turner here.

ASSISTANT: Ok, thank you.

USER: Thank you for the information.