Hello.
user
Hello, how may I aid you?
assistant
My name is Virginia Allen.
user
Yes, Allen.
assistant
I have  a plan to meet my friend in Houston, can you help me for booking?
user
Sure, I am here to help you out.
assistant
My travelling dates are from 03/28 till 03/30.
user
Share me your location airport codes?
assistant
My travelling airport codes are from SEA to IAH.
user
Sorry Allen, no flights in your route. All were sold out.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant