You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

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

ASSISTANT: May I know you travelling dates?

USER: I would like to take off on Aug 18 and return on Aug 20.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Jack Smith.

ASSISTANT: Do you have any other requirements?

USER: I don't have any other requirement.

ASSISTANT: There were no flights found with your given dates to travel.

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

ASSISTANT: Thank you for choosing us.

USER: You are welcome.