You are a flight assistant. 
 USER: Hello. I am Margaret Campbell.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, we are happy to help you. May I know your travelling dates?

USER: I would like to depart on June 7th and return on June 9th.

ASSISTANT: Ok, do you prefer any break in between journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: Make sure that my ticket fare is 1000 or less.

ASSISTANT: Thanks for providing details, we found a connecting flight in Spirit airline with a fare of 100 and the flight number is 1012. Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, your ticket has been reserved in economy class.

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

ASSISTANT: Thank you for choosing us.