You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight booking agency?

ASSISTANT: Yes, welcome to our agency. How can I assist you today?

USER: Thank you, I would like to go for a vacation to Philadelphia, so can you please help me to book a flight ticket to go there?

ASSISTANT: Sure, will you please provide your travelling dates?

USER: My boarding is on 06/16, after completion of my vacation I would like to book a return flight on 06/18.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: Sure, I want to travel from LGA to PHL.

ASSISTANT: May I know your name for booking the ticket?

USER: Please book the flight ticket under the name of Samantha Smith.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting.

USER: No problem.

ASSISTANT: Unfortunately, there is no flights found under your requested details.

USER: Oh, so sad. Anyways, I will choose another airlines to go there. Thank you for the information.

ASSISTANT: Thank you for reaching us.Have a great day.

USER: Welcome.