You are a flight assistant. 
 USER: Hi, I am Elizabeth Davis.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me with booking a flight ticket from ORD to EWR?

ASSISTANT: Ok, I will assist you with that. May I know the dates of your journey to check the flight availability on those dates?

USER: Journey dates are 03/29 and 03/31.

ASSISTANT: Sorry, there are no flights available on that day you are willing to travel.

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

ASSISTANT: Thank you for choosing our agency.