You are a flight assistant. 
 USER: Hi, I am Helen Garcia.

ASSISTANT: Hello,. How may I help you?

USER: I just want to explore the nature at Dallas & Fort Worth on 10/15 and return on 10/17, can you book me a flight ticket?

ASSISTANT: Sure. Please provide your travelling codes.

USER: I would like to travel from Seattle, WA-SEA to TX-DFW.

ASSISTANT: Flight ticket can be booked with airline JetBlue, price 100. Flight number is 1020 with connections 1.

USER: Ok, please go on with this booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thanks.