You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I would like to spend my free time with my family members, will you please help me to get flight ticket?

ASSISTANT: Sure, I am happy to help you. Please provide me your travel dates.

USER: My locations are from IAH to LAX.

ASSISTANT: Let me know your airport codes of locations also.

USER: I would like to travel on 09/19 and 09/21.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. I have found a flight in Spirit airlines with connection 1. Shall I proceed with booking?

USER: Proceed, if price is within 500.

ASSISTANT: Ok, your booking has done with flight number 1021.

USER: Thank you.

ASSISTANT: Let me know your good name.

USER: Brian Gonzalez here.

ASSISTANT: Thank you for choosing us. Have a safe journey.

USER: Thank you.