You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: Please reserve a ticket under the price limit of 200.

ASSISTANT: Could you please let me know your travelling dates?

USER: Travelling dates are 04/14 and 04/16.

ASSISTANT: Please provide your travelling codes?

USER: To watch the live events at MSP, I have to book a ticket from Denver, DEN.

ASSISTANT: Connecting flight can be booked with airline UA having flight number 1026, price is 100.

USER: Ok. Confirm my ticket.

ASSISTANT: Please provide your name?

USER: My name is Donald Hernandez.

ASSISTANT: Ticket is booked.

USER: Thank you for addressing me.

ASSISTANT: Thanks.