You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Rebecca Scott. I want to book a ticket from BOS to PHX to attend seminar, can you help me in booking?

ASSISTANT: May I know your desired travel dates please?

USER: I am departing on Dec 27 and return on Dec 29.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: Do you have any specifications?

USER: I want a flight with connection limit 1.

ASSISTANT: Please share your depart time.

USER: I am planning to depart in evening.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issue thank you.

ASSISTANT: Thank you for opting us.