You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Karen Thompson.

ASSISTANT: How can I assist you?

USER: Can you please book a flight ticket from HOU to SEA?

ASSISTANT: Sure Karen, can I know the travel dates please?

USER: Sure, I need to travel on dates of 04/13 and 04/15.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight in Spirit airline with price 100, can I book it?

USER: That is great, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.