You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Kenneth Anderson, can you help me to book a flight from LAX to BOS?

ASSISTANT: Ok, may I know your journey dates to get a flight?

USER: My travelling dates are 01/17 and 01/19.

ASSISTANT: Ok Kenneth Anderson, wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no flight available on your route. Thanks for choosing us.

USER: No issues, thank you for your help.