You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Jessica Scott here, and I want to plan my travelling is from IAD to DTW to attend political meeting.

ASSISTANT: May I know the dates?

USER: Sure, my dates of travel is from 01/25 to 01/27. Do you have any ticket for me?

ASSISTANT: There is a flight with 1 connection and number is 1021. Can I book it?

USER: May I know the price and airline of this flight please?

ASSISTANT: Fare is 100 and airline is Frontier.

USER: Ok, please book it for me.

ASSISTANT: Your ticket is booked. Happy journey.

USER: Thank you, for your service.

ASSISTANT: Welcome.