You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: This is John Smith, as I want to book a flight ticket from CLT to HOU because to go back my native place.

ASSISTANT: That's good to hear, may I know your travelling dates please?

USER: My required dates are 01/13 and 01/15.

ASSISTANT: I found a flight with your requirements in Frontier airlines. May I proceed further?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Welcome.