You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gregory Garcia.

ASSISTANT: How may I help you?

USER: Can you help me booking flight on 04/13 to reach my hometown HOU?

ASSISTANT: Ok, may I know your origin airport code and return journey date please?

USER: I would like to return to my source airport code IAH on 04/15. Provide flight with connection 1. Yes, I am ok with that flight, proceed to booking.

ASSISTANT: UA airline is providing flight with connection 1.

USER: Proceed.

ASSISTANT: I confirmed your ticket by flight number 1000.

USER: Thank you.

ASSISTANT: It's my pleasure.