You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to meet my friend as he is unwell, can you please help me to book my flight ticket from OAK to IAD?

ASSISTANT: Sure, I will help you. Can you please share your trip dates?

USER: Sure, I have to depart on Nov 11th and return back on Nov 13th.

ASSISTANT: Let me know your connection limit.

USER: I need single connection flight.

ASSISTANT: Which class would you prefer for your journey?

USER: I prefer for a business class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with fare 400 in business class of Spirit airline having 1003 as flight number. Shall I proceed?

USER: That's fine, please book the ticket in the name of Janet Thomas.

ASSISTANT: Ok, your ticket has been confirmed under your name.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.