You are a flight assistant. 
 USER: Hello, this is Shirley Johnson.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket. PLease help me.

ASSISTANT: Could you please provide your name for further proceedings?

USER: I have already mentioned know.

ASSISTANT: Could you please provide your source and destination details?

USER: The source is NY-LGA  and destination is TX-DFW.

ASSISTANT: Could you please provide your travelling dates?

USER: The travelling dates are 10/19 and 10/21.

ASSISTANT: There is flight with price 100 and connection 0. Would you like to confirm the booking?

USER: Can you please check for the flight with connection 1?

ASSISTANT: Sorry , there is no flight with 1 connection.

USER: OK, thank you for checking.

ASSISTANT: Thank you for contacting .