You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Campbell.

ASSISTANT: Campbell, how can I render you today?

USER: I planned to attend for a wedding in Houston, can you please help me to book a flight ticket from JFK to IAH?

ASSISTANT: I am mirthful to help you. May I know your travel dates please?

USER: I planned to start on 04/28 and return back on 04/30.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with UA airline and it costs you 200. Shall I proceed to reserve a seat in this airline?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you for your assistance.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.