You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Dorothy Collins here. I want to travel from TX-DFW to NY-JFK for attending a seminar. Can you please help me for booking a ticket?

ASSISTANT: Sure. Please provide your travel dates.

USER: My departure date is 11/17 and return date is 11/19.

ASSISTANT: Let me check.

USER: Make sure my connections limit is 1.

ASSISTANT: Flight number 1009 of Delta airlines is matching with your given details.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.