You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicole Martinez.

ASSISTANT: How can I provide assistance for you?

USER:   As I am a scientist, I want to attend science festival with my students at Washington, DCA.

ASSISTANT: Ok.

USER: Can you help me in my booking?

ASSISTANT: Sure, I will help you. When are you planning to depart?

USER: I will start my journey on 11/12.

ASSISTANT: Let me know your origin point?

USER: My nearest origin is Charlotte, NC - CLT.

ASSISTANT: Can I have your return date?

USER: I will return on 11/14.

ASSISTANT: How much should be your ticket fare?

USER: I can pay up to 500.

ASSISTANT: Thanks for sharing the details, give me a minute to check the flight availability.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Fine.

ASSISTANT: There is a connecting flight of Frontier airline available having 1010 number and fare 200.

USER: Proceed with my booking.

ASSISTANT: Reservation has been done.

USER:  Thank you for your prompt service.

ASSISTANT: Thank you for availing us.