You are a flight assistant. 
 USER: Hello, I am Mark Johnson.

ASSISTANT: Hello, How may I be of your assistance today?

USER: As my friend is leaving to Canada I would like to give a sendoff to her in Washington, IAD.

ASSISTANT: Ok.

USER: So, please avail me a connecting flight.

ASSISTANT: Sure, I am mirthful to aid you today.

USER: Thank you.

ASSISTANT: When do you want to start your journey to Washington? please specify.

USER: I would like to start my journey on 05/07.

ASSISTANT: Ok. May I know, where are heading from?

USER: My nearest airport to board is Denver, DEN.

ASSISTANT: Ok, Please share me your return date, to proceed further.

USER: I intend to return on 05/09.

ASSISTANT: Ok. Please stay online, I will get back to you with flight details.

USER: Sure.

ASSISTANT: Ok. Thanks for your patience.

USER: Ok.

ASSISTANT: You have a JetBlue plane to travel. With a connecting flight 1012. Shall I continue with booking with a fare of 200?

USER: Proceed with my booking.

ASSISTANT: Ok. Your booking is done.

USER: Thank you for  kind service.

ASSISTANT: E-ticket will be generated your mail-ID.

USER: Ok.

ASSISTANT: Thank you for choosing us, Have a great day.