You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary King.

ASSISTANT: How may I render you today?

USER: I would like to attend for Soccer match at Detroit, MI - DTW. So, help me to book a ticket from Washington.

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I will start my journey on 05/21. I will return on 05/23.

ASSISTANT: Help me with your source point?

USER: My source airport code is Washington, DC - IAD.

ASSISTANT: We found a connecting flight in AA airline with fare 100.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been done with flight 1029.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.