You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I am Mark Lewis. I am planning to surprise my parents on their anniversary, can you help me in booking a flight ticket on 10/13 with a single connected flight?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: When do you want to return?

USER: I will back on 10/15.

ASSISTANT: Ok, please provide your source and destination airport codes.

USER: Sure, my airport codes are from Houston, TX-IAH to Denver, CO-DEN.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for your time, we found a flight in Southwest plane with price 200. Can I proceed for booking with flight number 1018?

USER: You can proceed.

ASSISTANT: Sure, your ticket has been booked with one connection.

USER: Thank you for your help.

ASSISTANT: Thank you for connecting with us.