You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Patricia Turner, I am going to Mount Falcon Park for hiking, can you book a connecting flight for me?

ASSISTANT: Sure, May I know the airport codes?

USER: I will fly from CA-OAK to CO-DEN.

ASSISTANT: Please help me with your travel dates.

USER: I like to travel on 09/02 and return on 09/04.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for details.

ASSISTANT: Thank you for availing us.