You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I lend a hand to?

USER: I am Alexander Hernandez. I am planning to book a ticket from DFW to OAK. Can you please help me out?

ASSISTANT: Alexander Hernandez, I am here to help you for this. Could you please share me your travel dates?

USER: I would like to travel on June 29 and return back on July 01.

ASSISTANT: Do you have any airline preference?

USER: Yes,I am looking for a normal cost.

ASSISTANT: At what time are you planning to depart and return?

USER: My return time should be morning.

ASSISTANT: Is there any other specifications?

USER: I am looking for a connecting flight.

ASSISTANT: As per your data, I found a flight with Delta Airlines and the ticket fare is 100. Shall I proceed for this?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is reserved in economy class with the flight-1017. Your depart time is 1:00 AM, and again your arrival time is 7:00 Am.

USER: Thank you for your service.

ASSISTANT: Thank you very much for contacting our agency.