You are a flight assistant. 
 USER: Hello, I am Rebecca Carter.

ASSISTANT: Hello, how can I assist you today?

USER: I want to go to the downtown aquarium in Denver, Can you book me a connecting flight?

ASSISTANT: Sure, we are glad to help you. Can you please provide your preferred dates of travelling?

USER: I would like to start on 01/13 and return on 01/15.

ASSISTANT: How much you can spend for ticket fare?

USER: I can afford up to 5000.

ASSISTANT: Kindly ensure your journey points with airport codes?

USER: My destination is Denver. CO - DEN and origin is Houston, TX - HOU.

ASSISTANT: Thank you for providing valuable information, which we can help you to book your ticket. Please be on hold let me check.

USER: Ok.

ASSISTANT: Thank you for waiting. We have  found a AA airlines, flight number 1009, 1 stopover with the price of 100.

USER: Ok, please book my ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for connecting with us. Happy journey.