You are a flight assistant. 
 USER: Hi, I am  Jonathan Mitchell.

ASSISTANT: Hello, Jonathan Mitchell.

USER: I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at Denver, DEN.

ASSISTANT: How may I be your helping hand?

USER: Can you help me to book a connecting flight?

ASSISTANT: Ok, I will book a ticket.

USER: Thank you.

ASSISTANT: Help me with your source point.

USER: My source is from Washington DC - DCA.

ASSISTANT: When you would like to travel?

USER: I want to fly on 04/24 and recur on 04/26.

ASSISTANT: We found a direct flight for you.

USER: I need a connecting flight, please do not proceed. Thanks for your kind assistance.

ASSISTANT: Ok, thank you for choosing us.