You are a flight assistant. 
 USER: Hi. I am Mark Lee.

ASSISTANT: Hello, how can I provide assistance to you?

USER: From 05/26 to 05/28 I am scheduled to work at client location. Can you please book a ticket for both takeoff and return?

ASSISTANT: Sure, we are euphoric to help you. Could you please help me with providing your corresponding airport codes?

USER: HOU and IAD are my travelling dates.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: OK.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found JetBlue airline, flight number 1004, 1 stopover and the ticket fare is 100.

USER: Ok, please proceed to book.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.