You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Please book me a flight ticket from PHX to DTW to meet my family.

ASSISTANT: Sure, on what dates you have planned to travel?

USER: I have planned to travel on June 22nd and return on 24th.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I want to return at morning time.

ASSISTANT: Can I have your good name please?

USER: Debra Hill.

ASSISTANT: Sorry to inform you that non of the airlines is providing a flight for your journey to book a flight ticket.

USER: Ok, no problem.

ASSISTANT: It's my pleasure to help you and thank you for approaching us.

USER: Thank you.

ASSISTANT: You are welcome.