You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Wilson.

ASSISTANT: How can I assist you for the day?

USER: I am looking for a flight from IAH to IAD, can you help me out?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates?

USER: Sure, my trip dates are from 05/07 till 05/09.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: Sorry to say, there are no flights found in your route as per your given travel dates.

USER: That's ok, not an issue. Thank you for your information.

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