You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please book a flight ticket from IAH to ORD.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My trip dates are 01/20 and 01/22.

ASSISTANT: Ok, please share me your name.

USER: Timothy Martinez here.

ASSISTANT: Ok, do you have any connection limit?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Here, I found a flight for you with single connection and class is economy. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with flight number 1003 and airline is UA.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.