Hello,.
user
Hello, how can I aid you today?
assistant
I am Nicole Green.
user
What can I do for you Green?
assistant
After a long time I want to meet my grandfather in Seattle with my parents to enjoy the holidays. Will you please help me in booking a flight ticket?
user
Sure, I am here to help you, May I know where you are travelling from?
assistant
I want to start from CO-DEN.
user
May I know your  returning date?
assistant
I intend to return on 02/25.
user
May I know your destination code?
assistant
My destination code is WA-SEA.
user
May I know your starting date for where you are willing to travel?
assistant
My departure date is 02/23.
user
Sorry to inform you that there are no flights found on your requested dates to  enjoy with your family. Do you need any other help from me?
assistant
Thank you for your kind information.
user
Thanks for approaching us.
assistant