You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Susan Evans. Owing to an emergency, I need to travel to Boston, MA-BOS, can you please help me in booking a flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I want to travel on 12/18, and need to catch return flight on 12/20.

ASSISTANT: Please provide your origin airport code.

USER: I want to board from Houston, IAH.

ASSISTANT: Jetblue airlines with single connection and price is 100 of 1005 flight. Shall I proceed to confirm your ticket?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you.