You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Charles Robinson.

ASSISTANT: Nice to meet you Charles.

USER: I need to meet my friend to organise an event in our college, so could you please help me in booking a ticket from MSP?

ASSISTANT: Sure, I will help you. Do you have any specifications?

USER: Price doesn't matter, but there is a concern in lay by's. Please check whether the flight has 1 connection.

ASSISTANT: Ok, can you share your flying and return dates of journey?

USER: I would like to  start my journey on 07/14 and return to Washington on 07/16.

ASSISTANT: For quick process, I need your airport codes. Can you help me with that?

USER: Sure, my airport codes are MSP and IAD.

ASSISTANT: Give me a minute, I will check with the availability.

USER: Sure, It should be more comfortable for me.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thank you for availing us.