You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary Taylor from Washington.

ASSISTANT: Nice to meet you Gary Taylor.

USER: I need to attend a marriage function in Atlanta so please help me with flight ticket booking.

ASSISTANT:   I will search, if you provide me your journey dates.

USER: Sure, I need to travel on dates of 05/06 and 05/08.

ASSISTANT: Ok, help me by proving your airport codes too.

USER: Sure, I would like to travel from IAD to ATL.

ASSISTANT: Wait a moment, let me check.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is a flight-1012 with price 200 and connection 1. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, booking is done with Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.