You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking my flight ticket from LGA to DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are Jan 27-29.

ASSISTANT: Can you help me with your good name?

USER: I am Gregory Brown.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your departure and arrival timings?

USER: I do not have any specific timings.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Sorry, there are no flights found with your required dates to travel.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.