You are a flight assistant. 
 USER: Hello. I am Karen Baker.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I need to book a flight ticket from PHX to HOU. Can you help me in booking?

ASSISTANT: Sure, please share your journey dates?

USER: 10/13 and 10/15 are my travelling dates.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a halt.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for your time. We found a flight with UA airline and flight number is 1021 matches your details. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for contacting us.