You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I am Mark Taylor. I want to attend a conference meeting in Houston. Please book a flight ticket from CLT to HOU.

ASSISTANT: Sure, when are you planning to travel?

USER: My planned travel dates are Feb, 5 and Feb, 7.

ASSISTANT: Do you need a stopover?

USER: Yes, I need it.

ASSISTANT: Thank you for your details, we found a connecting flight 1002 in Frontier airline the price is 200. Shall I proceed with a economy class?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.