You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel from SFO to PHL as a holiday trip.

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are 04/23 and 04/25.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Barbara Perez here.

ASSISTANT: Do you need any specifications?

USER: No.

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

USER: No issue, Thanks for the information.

ASSISTANT:  Thank you for reaching us.