You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket from HOU to JFK. Could you book a ticket?

ASSISTANT: I am here to help you, May I know your name to book a flight?

USER: My name is Angela Anderson.

ASSISTANT: Can I have your preferable dates?

USER: Departure is Oct, 13 and return date is Oct, 15.

ASSISTANT: Are you happy with direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Angela Anderson, regret to inform that there is no flight found for the given dates.

USER: Thank you.