You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself David Miller, can you help me to book a flight ticket from IAH to IAD?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Ok, please book the flight which has 1 connection limit. My travel dates are 10/27 and 10/29.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please book. Thank you for assisting me.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for consulting us.