You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Ronald Garcia. I need a flight ticket with a ticket fare of 200 to reach Austin-AUS on 06/16, can you assist me to book a flight ticket?

ASSISTANT: Yes, I will try for my best assistance.

USER: Thank you.

ASSISTANT: Can I know your nearest source airport code?

USER: Yes, I will start my trip from DTW-Detroit.

ASSISTANT: Ok, could you share me your return date?

USER: Yes, the return trip is on 06/18.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a price of 100 and 1 connection. Can I proceed to booking?

USER: I am ok with that flight, go ahead with booking.

ASSISTANT: Ok, your ticket is booked with Delta airlines.

USER: Thank you so much for immediate response in booking.

ASSISTANT: Thank you for reaching us. Feel free to reach us anytime.

USER: Welcome.