Hello.
user
Hello, How exactly I can serve you the best today?
assistant
I want to travel from HOU to OAK, can you help me in doing that?
user
Sure, please share me your trip dates.
assistant
My trip dates are Dec 15 to 17.
user
For booking, we need your good name. Please mention it.
assistant
I am Susan Clark.
user
Do you need direct flight or connecting flight?
assistant
I need a direct flight.
user
 Would you let us know if you have any other preferences?
assistant
I prefer normal-cost airline.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, no issues. Thank you for the information.
user
Thank you for opting us.
assistant