You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Amy Allen, I want to book a flight ticket from LAS to OAK in the month of January.

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My travelling dates are 01/23 and 01/25.

ASSISTANT: Ok, please provide me some time to check the flight.

USER: Ok, sure.

ASSISTANT: Sorry to inform you, there are no flights found with the details you have given.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: You are welcome. Have a nice day.