You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Collins here.

ASSISTANT: How may I help you?

USER: I want to book a flight ticket from Houston, can you help me?

ASSISTANT: Sure. Sure, can you share your airport codes please?

USER: My preferable airlines code are from IAH to PHL.

ASSISTANT: Ok, now please share your travel dates?

USER: Sure, I would like to start my journey on 08/09 and return on 08/11.

ASSISTANT: Thanks for your patience. I have found southwest airlines which flies with one connection.

USER: Ok, you can proceed with that booking.

ASSISTANT: Sure, your flight ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you.