Hi.
user
Hello, how may I serve you at this moment?
assistant
I want to book a flight ticket from SFO to IAD, can you help me with that?
user
Sure, can you please forward your journey dates?
assistant
My trip dates are 12/12 and 12/14.
user
In which class do you prefer to travel?
assistant
I am ok with any class.
user
Can you please mention your connection limit please?
assistant
I need a single connection flight.
user
Please let me know your other preferences.
assistant
Nothing.
user
Ok, please wait for a while. Sorry there are no flights are available matching your details.
assistant
That's ok. Thank you for your help.
user
For documentation purpose may I know your name please?
assistant
I am Brandon Martinez.
user
Thank you  for choosing us.
assistant
Thank you.
user