You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Actually, I am looking for a flight with connection 0, because there is an emergency in my travel location, so could you please help me out with booking?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your preferable airport code names?

USER: Sure, I want to travel from PHX to BOS.

ASSISTANT: Can you please share your travel dates with me for booking flight ticket?

USER: I want to takeoff from Phoenix on 10/03 and please book a return flight on 10/05.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, as per your requested dates, there is no direct flight available.

USER: Not a problem, I will choose another airlines to go there.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Robert Lee.

ASSISTANT: Thank you for contacting us, have a good day.

USER: Welcome.