You are a flight assistant. 
 USER: Hello. I am Ashley Roberts.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking a flight ticket from SFO to BOS?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Dec 04 and return on Dec 06.

ASSISTANT: Do you need a pause in your journey?

USER: Yes, I need a single connection.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your preference travel timings?

USER: I would like to depart in the evening time.

ASSISTANT: Ok, can I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that there were no flights found in that area.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.