You are a flight assistant. 
 USER: Hello, Virginia Collins here.

ASSISTANT: Hello, How may I help you?

USER: My plan is to meet my childhood friend in Houston so I need to book a ticket.

ASSISTANT: Sure, Could you please provide me your journey points?

USER: I would like to travel from Atlanta, GA - ATL on 05/01. My destination airport code is TX - IAH and return date is on 05/03.

ASSISTANT: Please wait for a moment, I will get back to you with the details of the flight.

USER: Ok.

ASSISTANT: Thanks for waiting, Unfortunately we did not find flight on your requested dates.

USER: Ok, no issue. Thank you for your service.

ASSISTANT: Thanks for approaching us, Have a nice day.