You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: As I am a doctor I need to attend for an emergency surgery at BOS. Can you please book a flight from LAS?

ASSISTANT: Sure, I am here to help you for this. Could you please share  me your travel dates?

USER: I want to depart on Dec 4 and need to return on Dec 6.

ASSISTANT: Is there any other specification's regarding your journey?

USER: I need a connecting flight which return in the morning time.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: As per your data, there is a flight with American Airlines and the ticket fare is 400. Would you like me to make the booking now?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name please?

USER: I am Michael King.

ASSISTANT: Your ticket is reserved in economy class with the flight-1025. Your depart time is 2:00 hours and again your arrival time is 6:00 hours.

USER: Thank you.

ASSISTANT: Thank you for much for contacting our agency.