You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to meet my client, please book my flight ticket from JFK to SEA.

ASSISTANT: Ok, please can I know your name to book?

USER: My name is Eric Thompson.

ASSISTANT: Ok, please can I know your dates of journey to proceed?

USER: I will depart on may 16th and return back on may 18th.

ASSISTANT: Ok, please can I know your specification?

USER: Yes, I prefer for a business class.

ASSISTANT: Ok, please let me know your other intents.

USER: I prefer for a normal-cost airline.

ASSISTANT: Ok, please mention the connection you desitre.

USER: I need a flight with single connection.

ASSISTANT: Sorry, there are no flights available to book.

USER: Oh! Sad to hear that, thank you for the information.

ASSISTANT: Thank you for choosing our agency.