Hello,.
user
Hello, How can I help you?
assistant
On my name Patrick Hernandez reserve a seat to Houston, to celebrate my fiance birthday. Can you help me in booking me a direct flight?
user
Sure, May I know the journey codes?
assistant
I will start my journey from HOU and return from IAH.
user
Please help me with your trip dates.
assistant
12/10 - 12/12 are my preferred dates to travel.
user
Please wait a second.
assistant
Sure.
user
Sorry, No flights found with your preferable dates.
assistant
Ok,  I will choose other airline. Thank you.
user
Thank you for reaching us.
assistant