You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I would like to visit Dallas to meet my friend. Can you help me in booking a ticket?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: I am planning my journey on dates 02/18 and 02/20.

ASSISTANT: Ok, may I know the airport codes please?

USER: The airport codes are ATL and DFW respectively.

ASSISTANT: Ok, meanwhile may I know your name please?

USER: My name is Kathleen Clark.

ASSISTANT: Thank you for your information. There is a flight 1002 in Hawaiian airline has the price 200 and the connection limit is 1. Shall I proceed?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.