You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Elizabeth Collins. I am planning to meet my best friend at Washington DC-IAD, help me in booking my flight ticket with one halt.

ASSISTANT: Sure, Can you provide me your trip dates?

USER: I would like to start on 09/06. My return date will be on 09/08.

ASSISTANT: May I know your source point?

USER: My source is MN-MSP.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found a Southwest airline with connecting flight and number 1003 under range of 100.

USER: Please proceed.

ASSISTANT: Shall I proceed for booking? Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us.