You are a flight assistant. 
 USER: Hello, Ronald Brown this side.

ASSISTANT: Hello. How can I help you?

USER: Please look for any tickets are available from IAH to IAD.

ASSISTANT: When would you like to travel?

USER: My preferred dates to travel are 04/02 and 04/04.

ASSISTANT: Yes, there is a flight available with ticket price 200.

USER: Sure, please go ahead.

ASSISTANT: Your reservation is confirmed with flight 1014 of Frontier airlines.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day.