You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I abet you today?

USER: I am Jessica Jones, want to travel from LAX to OAK. Please help me.

ASSISTANT: Sure, please mention your travelling dates?

USER: My travelling dates are from 07/13 to 07/15.

ASSISTANT: Please wait a moment Jessica.

USER: Ok.

ASSISTANT: Sorry, there are no flight are running on your route due to heavy snow fall.

USER: That's fine, thank you.

ASSISTANT: Thank you for reaching us.