You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to travel from IAH to PHL as a holiday trip, can you do the reservation?

ASSISTANT: When you are willing to travel?

USER: My trip dates are 08/13 and 08/15.

ASSISTANT: Do you have any connection limit?

USER: I need break in my journey.

ASSISTANT: May, I know your good name?

USER: Mary Hall here.

ASSISTANT: Do you have any requirements?

USER: Departure time should be morning.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.