You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nicholas Hall. I am planning to attend Tennis competition in LAS from PHX. Can you find a flight ticket for me?

ASSISTANT: May I know travelling dates please?

USER: Sure, I am planning to travel on these on 03/15 and back on 03/17.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1024 flight?

USER: Ok, you can proceed with the booking.

ASSISTANT: Your booking is done in Delta airlines.

USER: Than you for your help.

ASSISTANT: Thank you for choosing us.