You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I would like to book a flight ticket from DFW, would you please aid me in making an airline reservation to LGA?

ASSISTANT: Sure, may I know your good name?

USER: Michael Hall.

ASSISTANT: Could I have your journey dates, please?

USER: My journey dates are Mar 31st and Apr 2nd.

ASSISTANT: Please let me know your connection limit?

USER: I am looking for a single connection.

ASSISTANT: Do you have any other preferences?

USER: The return time must be morning.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.