You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to give a presentation at Houston. Can you help me book a connecting flight from Las Vegas?

ASSISTANT: Sure, may I know your destination and boarding point?

USER: My journey is from LAS to IAH.

ASSISTANT: On which name would you like to reserve this ticket?

USER: On the name of John Green.

ASSISTANT: To check the flight availability we need your travel dates, can you please share me your dates?

USER: I would like to leave on 06/28 and return on 06/30.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1001. Shall I book this ticket?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.