Hello, Donald Davis here.
user
Hello. How may I help you?
assistant
I want to book a ticket for my journey from IAH to SFO, can you help me?
user
May I know your travel dates?
assistant
My travelling dates will be from 05/04 to 05/06.
user
Sorry, there is no flight found basis on your details.
assistant
Oh! That's fine, thank you for checking anyways.
user
Most welcome.
assistant