You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: My name is Ruth Lopez. I would like to travel from DEN to IAH, could you help me out?

ASSISTANT: Sure, please let me know your travel dates.

USER: My preferable dates are from 03/14 to 03/16.

ASSISTANT: Delta airlines with flight number 1028 is available for you with single connection. Do you like me to proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.