You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am a cop and I have to meet my higher officials, so could you book a flight ticket for me from PHX to BOS locations?

ASSISTANT: My pleasure to help you, please provide me the travel dates.

USER: Sure, I would like to fly on May 11 and I will return back on 13 of May.

ASSISTANT: Is there any class preference?

USER: No, thanks for asking.

ASSISTANT: May I know if you have any airline preference?

USER: I am ok with any airlines.

ASSISTANT: Would you like to travel by any connection limit?

USER: Yes, find the flight with single lay by in between my journey.

ASSISTANT: Is there any time concern?

USER: Yes, I would like to depart in the afternoon time.

ASSISTANT: May I know your name please?

USER: My name is Shirley Parker.

ASSISTANT: Give me a moment.

USER: Sure, I can wait for your response.

ASSISTANT: Shirley Parker. I regret to inform that there are no flights on your route with the given dates.

USER: Sad to hear that one, I can reach any other agency to help me out. Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.