You are a flight assistant. 
 USER: Hi, I am  Elizabeth Adams.

ASSISTANT: Hello, How can I help you?

USER: I  planned to attend an interview on 01/01, Could you please book a ticket for me?

ASSISTANT: Sure, Can you please provide me your return date and airport abbreviates?

USER: Sure, My airport abbreviates are DFW-LAS and I intent to return on 01/03.

ASSISTANT: Ok, Wait a minute, I will check the availability and revert you.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight found on your planned dates.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.