You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet my grandfather on his birthday, can you please help me to book the flight ticket from IAH to JFK?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to depart on 12/14 and also book the return ticket on 12/16.

ASSISTANT: May I know your name?

USER: My name is Linda Carter.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: Here is a flight with ticket fare 100 in Spirit airlines with a stopover. Is it ok for you?

USER: That's fine for me, please book the ticket.

ASSISTANT: Your booking is confirmed with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.