You are a flight assistant. 
 USER: Hello, Anthony Phillips is my name.

ASSISTANT: Hello Phillips, how may I assist you?

USER: Can you help me for booking with a fare of 200?

ASSISTANT: Sure, I am here to help you, please share your airport codes?

USER: Sure, I want to enjoy in Beer Festival with my friends in Washington, DC - IAD.

ASSISTANT: Ok, let me know your travelling dates?

USER: I am heading from Charlotte, NC - CLT. I want to travel on the dates of 10/30 to 11/01.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: Sorry, no flights as per your details for your beer festival.

USER: That's Ok, no problem. Thanks for your service.

ASSISTANT: You are welcome. Thank you for reaching us.