You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Lopez here.

ASSISTANT: How can I aid you today?

USER: Can you please help me in booking a flight ticket from IAH to LAS?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travelling dates are from 04/13 to 04/15.

ASSISTANT: Ok, may I know your class?

USER: I am ok with any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a Frontier 1019 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: Yes, please proceed with that flight ticket booking.

ASSISTANT: Your booking has been confirmed on name of Alexander Lopez.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for choosing us, have a nice day.