You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Martin. I am planning a surprise for my mother on her birthday with a gift which she likes the most. I want you to book a ticket from my current location IAD.

ASSISTANT: Can I know the further details?

USER: I need to surprise her on 07/28. And my return will be on 07/30.

ASSISTANT: Please provide me your destination airport code.

USER: Yes, she lives in DCA.

ASSISTANT: Basing on your details, I got a flight with flight number 1010 with price is 200 and connection limit 1. Can I proceed with that?

USER: Yes, that's great. That's perfectly matching with my requirements.

ASSISTANT: Your ticket is booked in Frontier airlines.

USER: Please proceed in booking.

ASSISTANT: Thank you for contacting us, hope you liked our service.

USER: You are welcome. Yes, I am satisfied with your help.