You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Richard Martinez. I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from SFO?

ASSISTANT: Sure, I will help you. Can you please share your planned journey dates?

USER: Sure, I would like to take off on Sept 3 and return on Sept 5.

ASSISTANT: Let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart during morning time.

ASSISTANT: Give me a minute, please.

USER: Sure.

ASSISTANT: Thank you for your time, there were no flights available that matches your requirements.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.