You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Christine Turner, planning to visit Phoenix. Can you please book me a ticket from BOS to PHX?

ASSISTANT: May I know your trip dates?

USER: My preferable journey dates are from Aug 20 and Aug 22.

ASSISTANT: Do you need any connection limit?

USER: I prefer connecting flight for this journey.

ASSISTANT: Could you share your depart and arrival time?

USER: I prefer to depart in morning flight and would like to return in evening flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There are no available flights under your name.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.