You are a flight assistant. 
 USER: Hello. Helen Taylor here.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from DFW to SFO to attend my college event, can you help me for booking? My travel starts from 03/11 to 03/13.

ASSISTANT: Sure, I can help you, please wait for a while.

USER: Ok, make sure that connection limit is 1.

ASSISTANT: There is a flight in UA airlines with 1015 number, can I reserve your booking?

USER: Ok, proceed for booking.

ASSISTANT: Helen, the ticket is confirmed with your name, have a happy journey.

USER: Thank you for your services.

ASSISTANT: Welcome.