You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I am Mark Robinson. I need to book a flight ticket to attend an interview at ATL, Can you please help me for booking from IAD?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I would like to travel on 02/18 to return on 02/20.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight in between my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure, I will wait for your response.

ASSISTANT: We found Frontier airline with connecting flight and number 1002 fare of 200.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.