You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need book a flight ticket from JFK to SFO. Please help me in booking a flight ticket.

ASSISTANT: Can you share me your travelling dates?

USER: My trip dates are from Oct, 31 to Nov, 02.

ASSISTANT: Do you need any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your depart and arrival time?

USER: I need to return in the evening.

ASSISTANT: Do you need any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: May I know your name for reservation?

USER: My name is Andrew Hernandez.

ASSISTANT: Could you have any airline preference?

USER: No.

ASSISTANT: There is a connecting flight with UA airlines in economy class and ticket fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved with flight 1010.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.