You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Carter here.

ASSISTANT: How can I assist you?

USER: I want to travel from Seattle, WA-SEA on 08/11 to attend a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, help me with the destination airport code.

USER: My destination airport code is 08/13.

ASSISTANT: Ok, do you have any specifications?

USER: Sorry my return journey is on 08/13 from TX-IAH.

ASSISTANT: Give me a minute.

USER: Ok, make sure my connections limit is 0.

ASSISTANT: There is a flight with number 1008 in airline Spirit. The fare is 300. Can I book it?

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket is reserved, have a safe trip.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.