You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I help you out?

USER: Can you please search a flight ticket on 03/13 and 03/15 dates?

ASSISTANT: Sure, I can search flights on requested dates. Can you please share the airport codes of both routes?

USER: My travel source code is SEA and my destination is LGA.

ASSISTANT: May I know your name,please?

USER: Mark Moore.

ASSISTANT: Thanks for providing your details, unfortunately no flights in search on respective dates due to heavy rain fall alerts. Thanks for approaching us, Have a great day.

USER: Ok, thank you.