You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Edwards here.

ASSISTANT: How may I assist you?

USER: I want to reserve my ticket from DEN to BOS, can you please help me in this?

ASSISTANT: Sure, I am glad to help you. May I know on what dates would you like to travel?

USER: Ok, my planned dates of journey are from 10/10 to 10/12.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a direct flight in UA airlines and price is 100. Shall I proceed?

USER: But, I need a connecting flight.

ASSISTANT: Sorry, there are no connecting flights on your trip dates.

USER: Ok, not an issue. Thank you for your service.

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