You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Stephanie Perez.

ASSISTANT: Hello Perez.

USER: I need to attend a conference with my CEO, will you please help me in booking a ticket for me?

ASSISTANT: Yes sure, please provide me codes of airport and travel dates.

USER: I need to travel from DEN to HOU. Dates of my travel are 10/08 and 10/10.

ASSISTANT: Please give me a moment. There is a flight available with AA airlines, shall I book it for you?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed, flight number is 1011.

USER: Fine, thank you for booking.

ASSISTANT: Thank you for giving chance to us.