You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Jessica Martin here. Can you please help me in booking the ticket from EWR to DCA?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: Sure, my journey dates are 03/30 and 04/01.

ASSISTANT: Please give me a moment.

USER: Sure, I'll wait.

ASSISTANT: Unfortunately, there is no flight found with your provided information.

USER: That's ok, thank you for your service anyways.

ASSISTANT: Thank you for choosing us.