Hi.
user
Hello, how can I help you?
assistant
Can you please help me to book flight ticket from IAH to SEA?
user
Sure, I am here to help you. Kindly mention your planned travelling dates to proceed further.
assistant
My trip dates Oct 30 and Nov 1.
user
Would you like to travel in a connecting flight or a direct flight?
assistant
I would like to travel in a connecting flight.
user
Is there any other preferences that you would like to add before booking?
assistant
No, I do not have any other preferences.
user
To proceed  further, can I have your name please?
assistant
I am Stephen Mitchell.
user
Thank you for providing your journey details, please wait a moment I'll search best flight for you.
assistant
Sure.
user
Thank you for being patient, we didn't find any flights which matches your requirement.
assistant
It's ok, thank you.
user
Thank you for reaching us, have a nice day.
assistant