You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Davis.

ASSISTANT: How can I assist you?

USER: 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 here to help you in booking a flight ticket. Can you please provide me your travel dates?

USER: I would like to take off on 07/15 and return on 07/17.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: According to your information, there is a direct flight in Delta airlines with the flight number 1027 and price limit is 100. Shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, your ticket is booked successfully.

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

ASSISTANT: Thank you for approaching us, have a safe journey.