You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Ronald Thompson and I want to book the flight ticket from OAK to SFO. Can you please help me?

ASSISTANT: Sure, kindly mention the dates of your journey.

USER: My travel dates are 01/04 and 01/06.

ASSISTANT: Do you have any requirements?

USER: I need to depart in the evening.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.