You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today?

USER: I am Melissa Martinez here, I want to reserve my ticket from PHL to DTW, can you please help me out?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned dates of journey are from Jul, 05 to Jul, 07.

ASSISTANT: Do you need a stopover?

USER: Yes, I need a connecting flight.

ASSISTANT: At what time do you like to travel?

USER: I need a depart time at morning and return time at evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flights on your required routs.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.