You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: This is Rachel Campbell, can you help me to book a flight ticket from PHL to LGA?

ASSISTANT: Your travelling dates please?

USER: My preferable journey dates are Jan 19 and Jan 21.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in the evening.

ASSISTANT: What about your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: I am sorry no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.