You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rebecca Martinez.

ASSISTANT: How can I oblige you today?

USER: I am planning to conduct a seminar on social issues in my college at Denver. Can you help me in my booking?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: To proceed with further booking I need your airport codes.

USER: My source airport code is Atlanta, GA - ATL. My destination code is Denver, CO - DEN.

ASSISTANT: Help me with your dates of travel.

USER: I will start my journey on 06/26. I will return on 06/28.

ASSISTANT: Thanks for witing. There is a plane 1003 of Delta airline with the fare of 100 with a connecting flight.

USER: Proceed with my booking.

ASSISTANT: Thank you for availing us. Your ticket has been booked. Thank you for reaching us.

USER: Thank you for your help.