You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Betty Edwards.  I want to travel to Mount Rainier National Park at Washington, DC- IAD.

ASSISTANT: Sure, I am here to help you.

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

ASSISTANT: May I know your travelling dates?

USER: Thank you. I want to fly on 03/29 and recur on 03/31.

ASSISTANT: Could you please help me with your  source code?

USER: I want to board from Chicago, IL - ORD>.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: There is a Jet blue 1006 airline with fare of 100 which matches your travelling dates.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed on name of Betty Edwards.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for approaching us.