You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I amend you today?

USER: Reserve me a flight ticket with my name George Collins to go for a round trip.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Will you please mention the round trip airport code?

USER: It is Seattle, SEA.

ASSISTANT: Ok. When did you plan to go?

USER: 08/23 is my depart date. After attending the marriage at Seattle, I will return on 08/25.

ASSISTANT: Ok. Do you need a connecting flight?

USER: Yes, I need a flight with single connection.

ASSISTANT: Ok, We found a connecting flight with Spirit airline. Shall I proceed to book with flight number 1000?

USER: You can confirm my ticket with this airline.

ASSISTANT: Your reservation has been done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.