You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Michelle Smith.

ASSISTANT: How can I help you?

USER: Can you help me in booking a flight from LGA to DCA as I need to attend my parents anniversary?

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: My travelling dates are 11/24 to 11/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no flights available as per your requested dates.

USER: Ok, no issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you.