You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Campbell.

ASSISTANT: How may I aid you?

USER: I am planning to visit Charlotte, CLT. Can you please book me a ticket from Houston, HOU?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My preferable journey dates are from 06/28 to 06/30.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket is booked with the flight-1018.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.