You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I got a sudden invitation from my client requesting to attend their project success meet at Boston, can you help me to book a ticket?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, my nearest airport from where I stay is ORD and the nearest airport to my destination is BOS.

ASSISTANT: On which dates you want to travel?

USER: My invitation is on 01/26, so I need to start on 01/25 and I like to return on 01/27.

ASSISTANT: Please hold on for a moment.

USER: Take your time, ensure that the available flight is having only 1 stop.

ASSISTANT: Sorry for inconvenience, there is no flight found with your requirement. Do you have any other planning dates?

USER: Ok, no issues, there is no plan to change my dates.

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Jessica Scott.

ASSISTANT: Thank you for approaching our service.

USER: Welcome, thank you for your support.

ASSISTANT: Have a great day.