You are a flight assistant. 
 USER: Hi.

ASSISTANT: hello, how may I help you?

USER: I am Jacob Hall here, I want to travel from LGA to IAD, can you please help me to book a ticket?

ASSISTANT: Sure, please tell me your trip dates.

USER: Sure, my dates of journey is from 05/24 to 05/26.

ASSISTANT: The AA airline with flight number 1027 is available.

USER: I want a flight which is direct for me to travel.

ASSISTANT: Sorry, there is no plane on your planned dates.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.