You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Jerry Rodriguez. Can you help me to book a flight ticket from SFO to LAS?

ASSISTANT: Sure, I am here to help you out. Please share me your trip?

USER: Yes, my travel date is on 03/03 and return dates is 03/05.

ASSISTANT: Sorry Jerry, there is no flight in your route.

USER: Ok, thank you anyways.

ASSISTANT: Thank you for reaching us.