Hi, I am Anna Lee.
user
Hello, how can I help you?
assistant
I would like to travel to Dallas & fort Worth to enjoy Fun-filled vacations with my family. can you help me with fare 500?
user
Sure, please share me your travel dates.
assistant
Sure, I need to fly on 08/23 and 08/25.
user
Can I know your airport codes please?
assistant
Sure, I need to depart from IAH to DFW.
user
Sorry for the inconvenience, there are no flights with your requirement.
assistant
Ok, no worries at all.
user
Thank you.
assistant
Thanks for your help.
user