You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: My name is Dennis King.

ASSISTANT: Do you want me to help you with anything?

USER: I am going to present my musical drama in Houston, so please help me to book a flight ticket from ATL.

ASSISTANT: Sure, can you please give me your planning dates?

USER: My planning dates are 05/19 and 05/21.

ASSISTANT: Can you provide your destination code?

USER: The destination airport is IAH.

ASSISTANT: Give me a second. I found a ticket for you.The price is 200 and flight number is 1001. Is it ok for you?

USER: Yes, please proceed.

ASSISTANT: I confirm your ticket successfully.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you for your time.