You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Martinez.

ASSISTANT: How may I guide you today?

USER: I need to attend a birthday party in Orlando. Can you please help me to search a flight from Washington?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your planned dates of travelling?

USER: Thank you. I am willing to travel on the dates of 02/05 and 02/07.

ASSISTANT: Can you please origin and destination airport codes for booking?

USER: The origin and destination airport codes are IAD and MCO.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, I can wait for your reply.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: It's ok, not a problem with that one.  I will choose some other source to travel. Anyways thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are most welcome.