You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Carolyn Miller here.

ASSISTANT:  How can I assist you?

USER: I would like to book a ticket from DTW to PHX, can you please help me with that?

ASSISTANT: Ok, may I know your travel dates?

USER: The travel dates are from 06/18 to 06/20.

ASSISTANT: Do you have any preference?

USER: Price limit is 1000.

ASSISTANT:  We found a connecting flight Frontier with fare 200. Shall I proceed?

USER: Please proceed.

ASSISTANT:  Your booking is confirmed with flight number 1005.

USER: Thank you.

ASSISTANT:  Thank you for availing us.