Hi,.
user
Hello.
assistant
I am Alexander Robinson.
user
How can I aid you?
assistant
As there is live concert of my favourite pop singer in Houston, IAH. Will you help me in booking me a flight from Boston,BOS to HOU?
user
Sure.
assistant
Ok.
user
Can I know your travelling dates?
assistant
09/21 - 09/23 are my willing dates to travel.
user
Do you need any  connecting flight?
assistant
Yes, I need a connecting flight.
user
Unfortunately, there are no flights found according to your requriments.
assistant
Ok, I will choose other airline. Thank you.
user
Thank you for consulting us.
assistant