You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please book a ticket from OAK to IAH? As I need to meet my college professor.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned departure and return travel dates are 24th and 26th of May.

ASSISTANT: Do you have any limits on your number of connections?

USER: Yes, my maximum connection has to be 1.

ASSISTANT: May I know your name? Do you have any another specifications on your journey?

USER: Yes, my name is Gregory Rodriguez and I want to return in the evening time.

ASSISTANT: Delta Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: That's fine, you can proceed for booking.

ASSISTANT: Your flight ticket reservation done with the flight number 1004.

USER: Thank you so much for your help.

ASSISTANT: Welcome, thank you for reaching us.