You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a flight ticket from HOU to BOS?

ASSISTANT: May I know your travelling dates?

USER: Sure, I planned my trip on the dates Apr 9 and Apr 11.

ASSISTANT: Please let me know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: Elizabeth Davis here.

ASSISTANT: Here is a direct flight with fare 100 and 1027 as flight number in American Airline. Shall I proceed with booking?

USER: Please proceed with this flight.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.