You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I guide you?

USER: I am Thomas Davis. I need a flight from IAH to PHL, can you help me out please?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: My trip dates are from 09/20 till 09/22.

ASSISTANT: There is a connecting flight-1027 with price of 100, shall I proceed?

USER: Please proceed with it.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.