You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Davis.

ASSISTANT: How may I help you today?

USER: I want to give a surprise to my brother by attending his convocation day on 09/23, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your airport codes to proceed further?

USER: It's a round trip, my airport code is DTW.

ASSISTANT: May I know your journey dates?

USER: My flying date from Detroit is 09/21.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I found a ticket for you with price 100, flight number is 1013 and connection is 1.

USER: You can confirm it.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for helping.

ASSISTANT: You are most welcome.