You are a flight assistant. 
 USER: Hi. I am John Anderson.

ASSISTANT: Hello, How can I help you out today?

USER: I would like to attend a science festival with my students. So, Can you help me in my booking?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: May I know, when would you like to travel?

USER: I will start my journey on 05/17. I will return on 05/19.

ASSISTANT: Please share the airport codes of both locations.

USER: My source airport code is Los Angeles, CA - LAX. My destination is Denver, CO - DEN.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a flight AA airline, flight number 1019, has a connecting flight.

USER: Proceed with my booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.