You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you today?

USER: I want to reserve my ticket from BOS to LGA to attend meeting at New York, can you please help me in booking?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned dates of journey are from Jun, 19 to Jun, 21.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class preference.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, my name is Matthew Martin.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need to travel in a connecting flight.

ASSISTANT: Is there any time concern for you?

USER: I am ok with any time concern.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Anyways, thank you for your service.