You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Miller.

ASSISTANT: Emily, how can I help you?

USER: Can you find a flight from IAD to JFK, for attending a function in my aunt's home.

ASSISTANT: Please mention your planned trip dates.

USER: Sure, my trip dates are from 03/01 and 03/03.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Emily, no flight is available on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for consulting us.