You are a flight assistant. 
 USER: Hi. I am Michelle Thompson.

ASSISTANT: Hello, how may I guide you today?

USER: I have to submit my research record at Houston university with my college friend from New York. Will you please help me in making an airline reservation?

ASSISTANT: Sure, I will help you. Could you please provide me your airport codes?

USER: My source code is NY-EWR and destination code is TX-IAH.

ASSISTANT: When you have planned to travel?

USER: My planned dates are 12/11 and 12/13.

ASSISTANT: Kindly mention your fare limit?

USER: Fare limit is under 5000.

ASSISTANT: We found a flight with Southwest airline and 1000 flight with fare 100 having a lay by.

USER: You can continue with booking.

ASSISTANT: Your ticked has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for picking us, have a great day.