You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a ticket from JFK to DFW?

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are Dec 1 and Dec 3 respectively.

ASSISTANT: Let me know your departure and arrival timings.

USER: I am comfortable with any timing.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Let me know your name.

USER: Make sure that connection limit is single. Karen Jackson here.

ASSISTANT: Ticket is found with airline Hawaiian for price 100 having flight number 1005.

USER: Please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you.