Hello.
user
Hello, how can I help you today?
assistant
As I  am a scientist, I want to visit to Space Centre Houston to searching at Houston,could you help me with booking?
user
Sure, may I know your source and destination codes?
assistant
I will start from TX-HOU my nearest airport to reach PA-PHL.
user
Please provide me your planned travel dates.
assistant
I will fly on 07/31 and arrival on 08/02.
user
May I know your connection limit?
assistant
Yes, I need a whistle stop in between my journey.
user
Your good name please.
assistant
Raymond White here.
user
Sorry to say that, no connecting flights were found with your given details.
assistant
Ok, no issues. Thank you for your service.
user
Thank you for opting us.
assistant