You are a flight assistant. 
 USER: Hello. This is Emma Harris.

ASSISTANT: Hello, how may I assist you?

USER: Could you please help me to book a flight ticket?

ASSISTANT: Sure, can you provide me your details?

USER: I want to travel from TX-HOU to NY-JFK.

ASSISTANT: OK, can I know your preferable dates?

USER: My departure is on 04/19 and return would be on 04/21.

ASSISTANT: OK, wait for a moment let me check the available flights.

USER: I need 1 connection with a price limit of 1000.

ASSISTANT: According to details provided by you there is a flight from Southwest airlines with number 1013. Shall I proceed to book the flight ticket?

USER: Sure, go ahead.

ASSISTANT: OK, your ticket is booked.

USER: Thank you.

ASSISTANT: Wish you a happy journey.Have a safe flight.