You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book a ticket from JFK to DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Aug 03 and Aug 05 respectively.

ASSISTANT: Can I know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to plan my return journey in the morning.

ASSISTANT: May I know your class preference?

USER: No I don't have any  class preferences.

ASSISTANT: Please let me know your name.

USER: Pamela Carter here.

ASSISTANT: Sorry, there are no flights available on your journey dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.