You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to travel from EWR to PHL as a business trip. Can you do the reservation?

ASSISTANT: Sure, Please share me your travelling dates.

USER: My journey dates are Jan 21st and Jan 23rd.

ASSISTANT: Do you need any connection limit?

USER: I need break in my journey.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with normal cost flights.

ASSISTANT: Can I know your good name?

USER: Gregory Wilson here.

ASSISTANT: Please share me your preferable timings.

USER: My departure time should be afternoon.

ASSISTANT: Do you need any specifications?

USER: I am comfortable with economy class.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: There are no flights available on your required details.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.