You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Please book a ticket from Los Angeles, CA-LAX to San Francisco, CA-SFO.

ASSISTANT: Sure, I will help you. Let me know your name.

USER: My name is Michael Adams.

ASSISTANT: Can you please provide your travelling dates?

USER: Travelling dates are from 02/03 to 02/05.

ASSISTANT: Thanks for the information. There is no flight available matching with your requirements.

USER: Thank you.

ASSISTANT: Thanks for approaching us.