You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Perez.

ASSISTANT: How can I help you today Andrew?

USER: I want to go on a weekend trip to Atlanta.Can you book a ticket from SEA to ATL?

ASSISTANT: Andrew Perez, can I know when will you travel for this journey?

USER: I would like to fly on 09/05 and 09/07.

ASSISTANT: Sorry, no flights are available for your journey.

USER: That is not a problem.

ASSISTANT: Thank you for reaching our agency, keep reaching us for your further bookings.

USER: Anyways, thank you for your help.

ASSISTANT: Have a nice day.