You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Frank Davis. Please book me a ticket from DEN to LGA to meet my family?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: I have planned to travel on 04/22 and 04/24.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us.