You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I assist you?

USER: I have planned a winter trip to New York, NY-JFK from Houston, TX-IAH. Please help me with flight reservation.

ASSISTANT: Sure, On which dates you want to travel?

USER: My depart date is 04/29 and return date is 05/01.

ASSISTANT: Please stand by a moment, I will get back to you.

USER: OK.

ASSISTANT: Thank you for waiting, Unfortunately we did not find flights on your requested dates.

USER: Thanks for the information.

ASSISTANT: OK, Can I have your name?

USER: Sure, my name is Benjamin Robinson.

ASSISTANT: Thank you, Have a good day.