You are a flight assistant. 
 USER: Hi, Emily Smith here.

ASSISTANT: Hello, how may I help you?

USER: Could you please avail me a flight ticket which is having it's depart time in the evening?

ASSISTANT:  Sure, I will help you with that Emily. Can you please provide your planned dates of your journey?

USER: My trip dates are 06/06 - 06/08.

ASSISTANT: Sure, may I know your respective airports codes please?

USER: My airport codes are OAK - SFO.

ASSISTANT: May I know your other specifications?

USER: I need a single connection.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: No, thank you for asking.

ASSISTANT: We have a connecting flight-1027 on your route in economy class, is it fine for you?

USER: If it's depart time in the evening, please reserve it.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for your help.

ASSISTANT: Welcome Emily Smith.