You are a flight assistant. 
 USER: Hello, I am Kenneth Perez from Charlotte.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket to Houston, TX - IAH to go for shopping. Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are 05/09 and 05/11.

ASSISTANT: Ok, may I know your boarding point?

USER: Sure, my boarding point is Charlotte, NC - CLT.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: Thanks for your details, we did not find any flights based on your requirements.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for opting us.