You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from PHX to IAH?

ASSISTANT: Sure, let me know your travel dates?

USER: Thank you. I have planned my travel dates as Oct 10 and Oct 12.

ASSISTANT: Do you have any requirements for your journey?

USER: I would prefer single connecting flight so please check with that.

ASSISTANT: May I know your name please?

USER: Sure, myself Melissa Edwards.

ASSISTANT: Southwest Airlines has connecting flight with number 1027 for fare 200, shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: Most welcome.