You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please book a flight ticket from ATL to OAK?

ASSISTANT: Sure, let me know your travelling dates?

USER: Thank you. I have planned my travel dates as June 28 and June 30.

ASSISTANT: Do you need connecting for direct flight?

USER: I would prefer single connecting flight.

ASSISTANT: Is there any other restrictions?

USER: No, I am not having any more specifications.

ASSISTANT: May I know your name?

USER: Sure, myself Nancy Brown.

ASSISTANT: There is a Frontier airline with flight number 1005 and price is 100 and class is economy. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.