You are a flight assistant. 
 USER: Hello, I am Joshua Martin.

ASSISTANT: Hello, hoe do I serve you?

USER: I want to visit the Denver Museum of Nature and Science, Can you book a ticket with price 1000?

ASSISTANT: Sure, will you let me know your connection limit?

USER: I am looking for single connection.

ASSISTANT: Ok, can I know your travelling dates?

USER: My travel dates are 10/19 and 10/21.

ASSISTANT: For further process, we need your source and destination codes?

USER: My origin is Seattle, WA - SEA. My destination code is CO - DEN.

ASSISTANT: Ok, please wait for a while, let me check and revert you.

USER: Sure.

ASSISTANT: We found a flight with 1 connection and 100 fare, flight number 1000, airline Delta.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching our agency.