You are a flight assistant. 
 USER: Hi. I am Angela Robinson.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking on 12/07 from DEN, as there is a musical concert?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My return date is 12/09.

ASSISTANT: May I know your destination airport codes?

USER: My landing airport code is IAH.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight with 1 connection.

USER: No issue, thank you.

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