You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend a client meeting at AZ-PHX from DC-IAD. Can you help me?

ASSISTANT: Sure, Kindly mention mention your travel dates?

USER: 01/19 and 01/21 are my travelling dates.

ASSISTANT: May I know your price limit?

USER: 500 is my price.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: No issue.

ASSISTANT: Can you please mention your name?

USER: I will choose an another alternative. I am Michelle Nelson.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you.