You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from IAH to ORD as a business trip, can you do the reservation?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 03/31 and 04/02.

ASSISTANT: Do you have any specification?

USER: I need break in my journey.

ASSISTANT: Can I know your name?

USER: Lisa Phillips here.

ASSISTANT: Found ticket with Delta airlines for price 200 having flight number 1021. Shall I book a ticket?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you.