You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Steven Martinez.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket on dates 12/27 and 12/29, so can you help me with booking please?

ASSISTANT: Sure. Do you need any break?

USER: Yes, I need a break in between the journey.

ASSISTANT: Could you please share me your airport codes?

USER: Sure, my airport codes are IL-ORD and TX-HOU.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found a UA airline, flight number:1005 and the price is 100.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.