You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Barbara Jones. I need to attend my college festival, can you book a ticket for me?

ASSISTANT: Sure. May I know the full details of journey?

USER: My airport codes are LAS and LGA.

ASSISTANT: May I know the dates?

USER: My travel details are from 06/05 to 06/07.

ASSISTANT: Sorry, there is no reservation found. No flight found.

USER: It's fine. Thank you for your help.

ASSISTANT: Welcome.