You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm John Brown.

ASSISTANT: Nice to meet you Brown.

USER: Thank you.

ASSISTANT: How can I help you at this moment?

USER: I am planning to travel from DCA to ORD to attend a convocation party, can you please help me with booking a flight ticket?

ASSISTANT: That's great. On which dates do you want to travel?

USER: Sure, my departure date is on 12/27 and the return date is 12/29.

ASSISTANT: Ok, please give me a moment to check flight availability on your dates.

USER: Sure, make sure that the price limit should not exceed 200.

ASSISTANT: Ok, I will check for that. Thank you for waiting.

USER: You are welcome.

ASSISTANT: JetBlue airlines is ready to reach ORD on your dates with connection 1. Is it ok for you to travel?

USER: Yes, please proceed with booking.

ASSISTANT: Ok Brown, your booking is done under your name with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Most welcome. Thank you for contacting us.

USER: You are welcome.