You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Young.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: I would like to take off on 05/16 and return on 05/18.

ASSISTANT: Ok, can you send me your airport codes?

USER: My source airport code is OAK and destination airport code is IAH.

ASSISTANT: The Delta airlines are providing a flight having a connection limit 1 and the ticket fare is 100. Shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Yes Young, your ticket is confirmed with the flight number 1015.

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

ASSISTANT: Thank you for approaching us.