You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want a flight ticket to LAS, can you please help me?

ASSISTANT: Can you please provide your airport codes?

USER: My source airport is HOU.

ASSISTANT: May I know your journey dates please?

USER: My travel dates are 07/28 and 07/30.

ASSISTANT: Please provide your good name.

USER: My name is Scott Smith.

ASSISTANT: Scott Smith, I have found a flight 1028 of UA airlines for you. Shall I proceed?

USER: What is the price limit?

ASSISTANT: Price is 100.

USER: Ok, then proceed with the booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you and have a safe journey.