You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Donald Roberts. I want to book a flight ticket from PHX to IAH. Could you help me in booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are from Sep 11-13.

ASSISTANT: Do you have any airline preference?

USER: My depart time should be in the morning and I need 1 connecting flight.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Here, I found a flight for you with 1 stopover and it costs you 100. Can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is done with flight 1004 in Spirit airlines.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a safe flight.