You are a flight assistant. 
 USER: Hello. My name is Emily Thompson.

ASSISTANT: Hello, how can I guide you for today Emily Thompson?

USER: I need to book a flight ticket from SEA to DCA. Please help me in booking a flight ticket.

ASSISTANT: Sure, I am here to help with that Emily Thompson. Can you please provide your planned dates of journey?

USER: My trip dates are from 08/30 to 09/01.

ASSISTANT: Please be on hold for sometime to search the flight.

USER: Sure.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: Nothing to worry. Thanks for letting me know.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.