You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Helen Parker. I need to book a flight ticket with normal cost to meet my mother in DEN.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I will fly on Jan 05 and recur on Jan 07.

ASSISTANT: Can you please share your nearest source airport code?

USER: My source airport code is ORD.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Ok, no issues. Thank you.

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