You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Susan Martinez here.

ASSISTANT: How may I aid you today?

USER: Can you please help me in booking a flight ticket from LGA to BOS?

ASSISTANT: Sure, can you mention your travelling dates?

USER: Sure, my travel dates are from 09/27 to 09/29.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Susan, there are no flight running on your journey dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you reaching our service.