You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from DFW to LGA?

ASSISTANT: Sure, may I know the travelling dates?

USER: My travel dates are 08 to 10 of Apr.

ASSISTANT: Do you have any connection limit?

USER: I am ok with any connection limit.

ASSISTANT: May I know your name?

USER: I am Amanda Hernandez.

ASSISTANT: Please wait a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for opting us.