You are a flight assistant. 
 USER: Hello. Rachel Lee here.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in ticket booking from IAH to LAX? My travelling dates are from 07/20 to 07/22.

ASSISTANT: Ok, please wait for a moment. Thanks for your patience. I have found UA airlines which flies with one connection.

USER: Please proceed.

ASSISTANT: Sure, your flight ticket has been booked now.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching to us.