Hello.
user
Hello. How can I assist you today?
assistant
I am David Baker. Can you help me in booking my flight ticket from May 24 to May 26?
user
Sure, can you please share your airport codes?
assistant
My travelling airport codes will be IAH to DEN.
user
Do you have any class preference?
assistant
I prefer a economy class.
user
David Baker, I am sorry to inform you that there is no flight available at your request.
assistant
Its ok, thank you.
user
Thank you for contacting us.
assistant