You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from PHX to IAD. Could you help me in booking?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: My travelling dates are from Aug 31 - Sep 02.

ASSISTANT: Do you have any criteria regarding your journey?

USER: I prefer for economy class with single connection.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: As per your data, there is a flight with Frontier Airlines and the ticket fare is 100. Shall I proceed for this?

USER: Yes, please proceed.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: Jacob Mitchell here.

ASSISTANT: Your ticket is reserved in economy class with flight-1005.

USER: Thank you for helping me.

ASSISTANT: Thank you very much for contacting our agency.