You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Helen Thomas.

ASSISTANT: How can I help you?

USER: I have a plan to meet my friend in Phoenix, can you help me for booking a flight ticket from DCA to PHX?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from 01/03 till 01/05.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1024 in Southwest airlines.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.