You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Lisa Jackson here. I want to meet my ex-husband, so please book my ticket from SEA to JFK.

ASSISTANT: Sure, may I know your travelling dates?

USER: My itinerary dates are Nov 7 and Nov 9.

ASSISTANT: Thanks for the information. There is no flight available.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us.