You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your travel dates?

USER: My travel dates are 20 to 22 of Oct.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Alexander Williams.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 200 and depart time is 9:00 hours, arrival time is 13:00 hours. Shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1007.

USER: Thank you.

ASSISTANT: Thank you for choosing us.