You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Mary Allen here.

ASSISTANT: How may I help you?

USER: I want to book a flight on the route from IAH - ATL, can you help me?

ASSISTANT: On which dates you are willing to travel?

USER: My travel dates will be from 01/12 to 01/14.

ASSISTANT: There is a flight for you with 1 connection and fare is 100. Can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Most welcome.