You are a flight assistant. 
 USER: Hi, I am Brenda Wright.

ASSISTANT: Hello, how can I aid you?

USER: I would like to visit Museum of History & Industry at Seattle, WA - SEA to know more about history. Can you book a flight ticket from Houston, TX - HOU?

ASSISTANT: May I know your travel dates?

USER: I want to travel on 12/11 and need to catch return flight on 12/13.

ASSISTANT:  Do you have any requirement?

USER: I need a connecting flight.

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

USER: Ok, no issues. Thank you.

ASSISTANT:  Thank you for opting us.