Hello.
user
Hello. How may I help you today?
assistant
Can you please book a flight ticket from SEA to JFK?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
Thank you. I have planned my travel dates as Mar 25 and Mar 27.
user
Ok, may I know your name?
assistant
Sure, myself Emma Lopez.
user
Can I have your class preference?
assistant
I am not specific about any class.
user
May I know your connection limit?
assistant
Sure, I am looking for single connecting flight so please check with that.
user
Please wait for a minute.
assistant
Sure but please make sure that my returning  time must be evening.
user
Sorry to say that, there is no flight available based on your travelling dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for reaching us.
assistant
Most welcome.
user