You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Will you help me in booking the flight ticket from HOU to LGA?

ASSISTANT: Sure, may I know your trip dates?

USER: My preferable journey dates are July 11 and July 13.

ASSISTANT: Do you need a connecting flight?

USER: I need a flight with single connection.

ASSISTANT: May I know your class preference?

USER: No.

ASSISTANT: There is a flight of United airline, flight number 1023 with the fare of 1023.

USER: Sure, you can proceed with the booking.

ASSISTANT: May I know your name?

USER: Myself Jennifer Baker.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.