You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I Would like to meet my friend at Dallas, will you help me in booking the flight ticket from EWR to DFW?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My preferable journey dates are Nov 26 and Nov 28.

ASSISTANT: Do you have any other preferences?

USER: I need a flight with single connection.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: You can proceed booking under the name Patricia Brown.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.