You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Carol Allen. I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from OAK to HOU?

ASSISTANT: Sure, I am gleeful to assist you. Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to depart on Sept 15th and return on Sept 17th.

ASSISTANT: Sure, is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I am looking for a connecting flight  and make that my ticket fare is 500 or less.

ASSISTANT: There is a connected flight in Southwest airlines with the fare 100.

USER: Please confirm the booking.

ASSISTANT: Your booking is done with the flight number 1007.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Your welcome.