You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: This is Angela Rodriguez. I have a plan to visit San Francisco. Can you help me in booking flight ticket from SEA to SFO?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are Feb 17 to Feb 19.

ASSISTANT: At what time would you like to depart and return?

USER: My return should be in the afternoon.

ASSISTANT: How many connections are you looking for?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a Frontier airline with flight number 1019 going on your way with airfare of 100 and the return time is afternoon. Is that fine?

USER: It is perfect for me. You can proceed.

ASSISTANT: Your reservation has been done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.