You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book a flight ticket from CLT to HOU.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Let me know your planned travel dates.

USER: My journey dates are from June, 11 to June, 13.

ASSISTANT: Can you share your name to proceed for booking?

USER: I am Jason Lewis.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Sorry, there is no flight services available on your required dates.

USER: Thank you for your information.

ASSISTANT: Thank you for contacting us.