You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Nicholas nelson here. Actually I want to reserve my flight ticket from PHL to LAX.

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure my preferable travelling dates of journey from 07/30 to 08/01.

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

USER: Ok, you can book it.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket.

USER: Thanks for your help in booking my ticket.

ASSISTANT: Thank you.