You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Myself Nicole Nelson. I am looking for a flight from IAD to PHX, can you help me in booking?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned travel dates are July 22 and July 24.

ASSISTANT: May I know your arrival time for your flight?

USER: I would like to return my journey for the morning flight.

ASSISTANT: Do you have any airlines preference?

USER: Please look for a normal-cost airlines.

ASSISTANT: Sorry Nicole Nelson, there is no flight in your route as per your requirement.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.