You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have planned to book a plane ticket to attend my office meeting in OAK, can you book a ticket from PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferred dates are May 10th and May 12th.

ASSISTANT: Do you need any way station in your journey?

USER: I need single connection between my trip.

ASSISTANT: Is there any specific time to travel?

USER: Make sure that my return time must be morning.

ASSISTANT: May I know your name please?

USER: Ashley Baker.

ASSISTANT: Sorry to inform you that, there are no flights available with your specifications.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for choosing us.