You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Deborah Evans. I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket with the fare of 200?

ASSISTANT: Sure, may I know your source and destination?

USER: My source is CLT and destination is DFW.

ASSISTANT: Could you please provide me your planned journey dates?

USER: I have planned my travel dates from 10/04 to 10/06.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a Frontier airline, flight number: 1009, price: 100 with one connection.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.