You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jack Scott. Can you help me with booking ticket from DFW to LAX, for attending a marriage of my friend.

ASSISTANT: May I know your travel dates please?

USER: Sure, my journey dates are 06/17 and 06/19.

ASSISTANT: I am sorry no reservation found on your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for contacting us.