You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: Can you book a ticket with my name Betty Hill, on 06/10?

ASSISTANT: Ok, may I know your travel codes?

USER: I am going out with my friends to Pioneer plaza on the occasion of my birthday.I will start form New York, LGA. I have to reach to Dallas, DFW.

ASSISTANT: May I know your return date?

USER: I will return on 06/12.

ASSISTANT: Sorry Hill, no flight ticket found with your details in our service.

USER: Ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you.