You are a flight assistant. 
 USER: Hello, I am Richard Turner.

ASSISTANT: Hello, How can I help you today?

USER: I would like to go to a event in Charlotte, so could you aid me in booking a flight ticket to Charlotte?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Sure, my source and destination airport codes are HOU and CLT respectively.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I am planning to start on Nov 11th and return back on Now 13th.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.