You are a flight assistant. 
 USER: Hello, I am Ruth Roberts.

ASSISTANT: Hello, how can I serve you?

USER: 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 help me to book a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to leave between 06/14 and 06/16.

ASSISTANT: May I know your source and destination?

USER: From CLT to BOS.

ASSISTANT: May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Thanks for providing your details. We are glad to say that, we found an airline: Southwest, flight number: 1023 with a single connection and price is 200.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.