You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from JFK to HOU.

ASSISTANT: Sure, can you please help me with your name?

USER: My name is Jacob Perez.

ASSISTANT: Thank you. May I know your travel dates?

USER: January 10 and 12 are the respective travelling dates.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to fly in any class of flight.

ASSISTANT: May I know your airline preference?

USER: I am good with any airlines to fly.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: That's ok. Thanks for your time.

ASSISTANT: You are welcome and thank you for choosing us.