You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to fly to Detroit to attend a comic con on Mar 19th, can you please help me to book a flight ticket?

ASSISTANT: Yes, can you tell me your nearest airport codes?

USER: I would like to start my journey from MSP and my destination airport code is DTW.

ASSISTANT: Can you share me your return date?

USER: I like to return from Detroit on mar 21st.

ASSISTANT: Do you have any preferences?

USER: I don't have any other specifications.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: That's fine, please book the ticket with the name Joshua Phillips.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for contacting us.