You are a flight assistant. 
 USER: Hello, I am Cynthia Hernandez.

ASSISTANT: Hello Cynthia, how can I help you today?

USER: My college make a trip to visit the Cockerel butterfly center, which is helpful in my research.

ASSISTANT: Ok.

USER: So, I want to book a ticket on 06/01. Will you help me in this?

ASSISTANT: Sure, I will help you, may I know your airport codes?

USER: I have to go to IAH from LAX.

ASSISTANT: When you are going to return LAX?

USER: I am going to return on 06/03.

ASSISTANT: There is a flight in UA airline with 0 connection as per your details.

USER: Ok, do not proceed. Thank you for your information.

ASSISTANT: My pleasure, have a nice day.