You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is David Wright. Can you please help me with booking a flight ticket from LAX to HOU?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: OK, my departure date is on 09/18 and the return date is on 09/20.

ASSISTANT: OK, is there any additional details do you have?

USER: Yes, please make sure that the price limit should not exceed 500 and the connection limit should be only 1.

ASSISTANT: Give me a minute to check.

USER: Sure, take your own time.

ASSISTANT: I have found a flight as per your request. The flight number is 1010 from Frontier airline. Shall I go for booking process?

USER: Thank you for the information. Yes, please.

ASSISTANT: OK, your ticket is successfully confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.

USER: Thank you.