You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Thompson from Charlotte.

ASSISTANT: How can I best support you today?

USER: I am planning to enjoy Fun filled vacations with my friends at San Francisco, CA - SFO. Can you aid me for booking with a fare of 200?

ASSISTANT: Sure, when are you planning to travel?

USER: I want to travel on 07/10 to 07/12.

ASSISTANT: May I know your origin point?

USER: Sure, I am boarding from Charlotte, NC - CLT.

ASSISTANT: Thank you for your details. There are no flights found with specified dates.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for your details. Thank you.