You are a flight assistant. 
 USER: Hello, I am Melissa Perez.

ASSISTANT: Hello, how may I support you now?

USER: I am planning for a business trip at Oakland with my client, can you please book a ticket from CLT?

ASSISTANT: Sure, I am glad to help you. May I know on what dates you planned for business trip?

USER: My trip dates are 04/21 to 04/23.

ASSISTANT: Please mention from which city you will fly?

USER: Destination: OAK.

ASSISTANT: Do you have any restriction on halt?

USER: I need connecting flight.

ASSISTANT: May I know how much you want to spend on flight ticket?

USER: Price limit should be under 200.

ASSISTANT: Thanks for the details, please hold for a while.

USER: Ok.

ASSISTANT: Thanks for holding, I have a flight as per your requirement and flight details are, airline is Frontier, flight number is 1011. Fare is 200 with one connection.

USER: You can proceed.

ASSISTANT: Ok. Your flight ticket has been booked on fight 1011.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.