You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I want to reserve my ticket from ORD to LAX, can you please help me in booking my ticket?

ASSISTANT: Sure, let me know your travel dates?

USER: Sure, my planned dates of journey are from Mar, 16 to Mar, 18.

ASSISTANT: Do you have any preferences?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Can you share your name please?

USER: Sure, my name is Amy Hall.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for contacting us.