You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Amanda Johnson.

ASSISTANT: Hello Amanda.

USER: I am planning to visit from ORD to SFO. Can you help me out?

ASSISTANT: Please help me with dates.

USER: My travelling date are 03/23 to 03/25.

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: Sorry, Amanda there is no flight with any airlines.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.