You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Hill here.

ASSISTANT: How can I aid you today?

USER: I would like to attend a business seminar in Seattle, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Thank you. I am planning to leave on 04/14 and please book my return ticket on 04/16.

ASSISTANT: Could you please inform your airport code names?

USER: I will prefer IAD and SEA as my origin and destination airport codes for booking.

ASSISTANT: Just give me a moment, I will check is there any flight available or not in this route as per your requested dates.

USER: Ok, take your time.

ASSISTANT: Based on your information, Frontier airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

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

ASSISTANT: I have confirmed your flight ticket, flight number is 1009.

USER: Thank you for your assistance in booking of my ticket, have a great day.

ASSISTANT: You are welcome.