You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amanda Miller here.

ASSISTANT: How may I guide you today?

USER: I want to attend my son's convocation ceremony, so please book my ticket from HOU to DEN.

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My trip dates are Aug 22 and Aug 24.

ASSISTANT: Do you have any class preference?

USER: No, I want to return in the afternoon.

ASSISTANT: Is there any connection limit?

USER: No.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 200 in economy class, flight number is is 1018 and connection is 1. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: I confirmed your ticket successfully with American airline.

USER: Thank you.

ASSISTANT: Thank you for reaching us.