Hi.
user
Hello. How can I assist you?
assistant
I want to book  a flight ticket to attend an event which is going to held at TX. Can you help me?
user
Sure, kindly mention your planned trip dates?
assistant
Aug 22nd and 24th are my travelling dates.
user
Do you have any other requirements?
assistant
I prefer an normal-cost airline.
user
Can you please assist me with your airport codes?
assistant
IAH and HOU are my airport codes.
user
May I know your name please?
assistant
Marry Johnson here.
user
Unfortunately there is no flight found with your given information.
assistant
No issue. Thank you.
user
Thank you for choosing us.
assistant