Hi.
user
Hello. How can I help you?
assistant
I am Frank Young. I am planning on travelling to LAS to meet my cousin, can you please help me to book a flight ticket from DFW?
user
May I know your desired travel dates please?
assistant
My trip dates are May 16 to May 18.
user
Do you have any other specifications?
assistant
I need a connecting flight which depart and return in evening.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
No issue, thank you.
user
Thank you for opting us.
assistant