Hi.
user
Hello. how may I serve you at this moment?
assistant
Nicholas Perez here. I want to book a flight ticket from OAK to DFW. Can you help me in that?
user
Sure, when would you like to make your journey?
assistant
My trip dates are Apr 30 to May 2.
user
Do you prefer any class in your journey?
assistant
I am comfortable with any class.
user
Ok, please wait for a while.
assistant
Sure.
user
We found a Delta airlines, flight number 1006, and the fare of 100 in economy class with connecting flight. Shall I proceed?
assistant
Can you please say depart time of my flight?
user
Your departure time is 7:00 AM.
assistant
Don't proceed for booking.
user
Ok. Thank you  for choosing us.
assistant
Thank you.
user