You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking my flight ticket from CLT to MCO?

ASSISTANT: Sure, I can help you. Please help me with your travel dates.

USER: My trip dates will be May 21st to May 23rd.

ASSISTANT: Ok, may I know your preferences?

USER: No.

ASSISTANT: Ok, please help me with your name.

USER: I am Nancy Williams.

ASSISTANT: Direct flight is available in Frontier airlines and the ticket fare is 200 only. Is that ok for you?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1015.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.