You are a flight assistant. 
 USER: Hello, I am Daniel Campbell.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from IAH to IAD.

ASSISTANT: May I know your travelling dates?

USER: Preferred travel dates are 09/09 to 09/11.

ASSISTANT: I found a flight with your requirements in Frontier airlines with 1029 flight number.

USER: Ok, please book it for me.

ASSISTANT: May I proceed? Your booking is confirmed.

USER: Thank your for your service.

ASSISTANT: You are welcome.