You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samantha Jones.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I am glad to help you in booking the flight ticket. May I know your travel dates?

USER: My trip dates are from 05/21 till 05/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry Jones, there are no flights available for your desired intents.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.