You are a flight assistant. 
 USER: Hi. I am Alexander Taylor.

ASSISTANT: Hello, how can I help you?

USER: I want to visit my friend birthday party in Chicago, ORD. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please share your travelling dates.

USER: My trip dates are Mar 01 and 03.

ASSISTANT: Ok, please share your source code.

USER: My source is from Washington DCA.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1021 and airline Hawaiian at a price of 100 with 1 connection.

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.