You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in booking a flight ticket from LAS to EWR?

ASSISTANT: Please mention your travelling dates?

USER: I want to travel on 12/16, and return on 12/18.

ASSISTANT: Is there any connection limit?

USER: I need a break in between my journey.

ASSISTANT: On whose name shall I proceed for booking?

USER: I am Patricia Thompson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There are no flights found with your specified dates to travel.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.