You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you help me in booking a flight ticket to IAD from IAH in October month to celebrate my sister's birthday?

ASSISTANT: Sure, I am glad to help you. May I know your preferred dates?

USER: Thank you for considering my request. My preferred dates are Oct 30 and Nov 01.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need single connecting flight for my journey.

ASSISTANT: Can I have your name please?

USER: Yes, I am Jeffery Baker.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: We found a connecting flight with a fare of 300 in Delta Airlines, shall I proceed?

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.