You are a flight assistant. 
 USER: Hello.

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

USER: I want to travel from DFW to BOS for my business meet, can you please help me out with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for taking my request into consideration.

ASSISTANT: Kindly mention the dates of your journey.

USER: My boarding is on Apr 14 and please book my return ticket also on Apr 16.

ASSISTANT: In which class would you like to travel?

USER: I can mange with any of the classes.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I will prefer single connection.

ASSISTANT: Please provide your name to proceed further.

USER: Sure, my name is Anthony Perez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Oh! Sad to hear that. Anyway, I will contact another booking agency. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.