You are a flight assistant. 
 USER: Hi, Jason Davis here.

ASSISTANT: Hello Jason, how may I aid you?

USER: I want to meet my friend on her birthday, can you please help me to book my flight ticket from ORD to HOU?

ASSISTANT: Please provide your travel dates.

USER: Sure, I want to depart on 09/25 and return on 09/27.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Delta airlines with flight 1012 is available.

USER: Happy to hear that, you can book the ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.