You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I helpful to you?

USER: I am Emma Parker. I want to book a flight ticket to meet my cousin in Washington, could you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your dates of travel?

USER: I want to fly on 12/12 and return on 12/14.

ASSISTANT: Help me with your boarding and landing airport codes?

USER: My source is Detroit, MI - DTW and destination code is DC - IAD.

ASSISTANT: I found a flight with fare of 100 and flight number 1002 from Spirit airlines. Shall I confirm?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket is processed.

USER: Thank you.

ASSISTANT: Thanks for opting us.