You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Betty Phillips here, I want to reserve my ticket from PHL to JFK, can you please help me out?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned dates of journey are from Apr, 01 to Apr, 03.

ASSISTANT: Do you have any class preference?

USER: Yes, I need a class preference which is economy.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Is this flight having a depart time at evening?

ASSISTANT: No, this flight fly at afternoon.

USER: Ok, do not book it.

ASSISTANT: There is no flights available in evening.

USER: Thank you for your service.

ASSISTANT: Most welcome.