You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Linda Campbell is my name. Meeting a family friend on his birthday, I want to book a ticket to Los Angeles, LAX. Could you aid me in this reservation from Houston, HOU?

ASSISTANT: Sure. May I know your travelling dates?

USER: 01/28 to 01/30 are my journey dates.

ASSISTANT: There is no flights found your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.