You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Sarah White, I want to  reserve a flight ticket from EWR to DCA.

ASSISTANT: Sure, I am happy to serve you in that ticket booking, may I know the dates of your trip?

USER: Sure, my travelling dates are 03/04 and 03/06.

ASSISTANT: Thank you for your information. As per your dates there are no flights that are moving to your region. Sorry for the trouble.

USER: Not an issue, thank you for the information I will go with another resource to reach my destination.

ASSISTANT: Ok, thank you for reaching us, have a nice day.

USER: Most welcome.