You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Alexander Lee. I need to go New York city to participate in singing competition over there. So please help me with flight ticket booking from Austin.

ASSISTANT: Sure, can I know your travelling dates?

USER: Thank you. I have planned to travel on the dates of Aug 19 and Aug 21.

ASSISTANT: Do you have any particular time for departing and returning? Which is your nearest airport in New York?

USER: Yes, probably I would like to return in evening time. I would choose EWR airport as my nearest airport to my locations.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I am looking for single connecting flight but even direct flight is also fine with me.

ASSISTANT: Which class do you prefer?

USER: No, I am ok with any class actually.

ASSISTANT: We found UA airline with price 200 and economy class and airline number is 1015 with arrival time is 02 AM and departure time is 12 PM, Shall I proceed for booking?

USER: That is fine, please go for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.