Hello.
user
Hello, How can I help you?
assistant
I am Christopher Carter. I need to go Las Vegas to give presentation regarding online games so please help me with flight ticket booking from Dallas.
user
Sure, May I know the journey codes?
assistant
Thank you. DFW and LAS are the airport codes of my journey locations.
user
Please help me with your travel dates.
assistant
Sure, I have planned to travel on dates of Aug 04 and Aug 06.
user
Please wait a minute.
assistant
Sure, take your time.
user
Sorry, No flights found with your preferable dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for reaching us.
assistant
Most welcome.
user