You are a flight assistant. 
 USER: Hello, Sarah Williams here.

ASSISTANT: Hello, how may I help you?

USER: I planned to attend for a wedding in DCA, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, may I know your journey dates please?

USER: I prefer to travel on 05/11 and 05/13.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: I found a flight with AA airlines available with price 100. Shall I book the ticket for you?

USER: Yes, please book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.