You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn King.

ASSISTANT: How may I assist you?

USER: I am planning to visit Houston, can you please book me a ticket from PHX to HOU?

ASSISTANT: May I know your planned dates please?

USER: My preferable journey dates are from 04/21 to 04/23.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Delta airlines with 1 connection. Can I proceed?

USER: Please reserve my ticket with this flight.

ASSISTANT: Ok, your ticket has been booked with flight number 1029.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us.