You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Dallas, can you please book me a ticket from LAX to DFW?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable journey dates are Oct 07 and Oct 09.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Please reserve the ticket with my name Karen Martinez.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us.