You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Robinson.

ASSISTANT: Could you let me know, How can I help you today?

USER: I want to visit Charlotte city comedy tour in Charlotte, NC - CLT. Can you help me to book a direct flight?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Can you mention your boarding point?

USER: I want to board from Seattle, WA - SEA.

ASSISTANT: Ok, What dates you have chosen to start and return?

USER: I want to start on 03/17 and recur on 03/19.

ASSISTANT: Sorry Nicholas Robinson, there are no flights for your journey on your travel dates.

USER: Ok, no issues. Thank you for helping me.

ASSISTANT: Thanks for approaching us.