Hello.
user
Hello, how can I help you today?
assistant
I need to visit National air and space museum in Washington. Can you book me a flight ticket?
user
Sure, is there any restrictions on connection limit?
assistant
I need one connection limit.
user
Let me know your good name please.
assistant
Matthew Walker is my name.
user
May I know your airport codes?
assistant
My airport codes are TX - IAH to DC - DCA.
user
When do you want to travel?
assistant
I need to travel on 05/23 and return on 05/25.
user
Please wait a moment. Let me check and get back to you.
assistant
Ok.
user
Thanks for your time. Unfortunately there is no flight available with your requirements.
assistant
Ok, no issues. Thanks for your service.
user
Thank you and have a nice day.
assistant