You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from SFO to LAX. Could you book a ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Travel dates are from Feb, 16 to Feb, 18.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any class preference?

USER: I would like to prefer business class.

ASSISTANT: We found Southwest airline with economy class and flight number is 1001 with arrival time is 3:00 hours and departure time is 12:00 hours.Shall I proceed for booking?

USER: Please do not book ticket.

ASSISTANT: May I know your good name please?

USER: My name is James Adams.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you.