You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: Sure, I would like to take off on Oct 9 and return on Oct 11.

ASSISTANT: Do you have any specification?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, may I know your name?

USER: My name is George White.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

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

ASSISTANT: Thank you for reaching us, have a nice day.