You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Anderson.

ASSISTANT: How may I abet you today?

USER: I want to book a ticket to meet my friends at Washington, can you please help me to book a ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thanks for aiding me.

ASSISTANT: When are you planning to make your journey, please let me know?

USER: I would like to leave between 02/20 and 02/22.

ASSISTANT: Help me with the airport codes that you wish to board and land?

USER: My airport codes are from EWR to DCA.

ASSISTANT: Do you have any price limit?

USER: Yes, I can afford up to 5000.

ASSISTANT: Please standby let me check the availability of flights and let you know the details.

USER: Ok.

ASSISTANT: Thank you for your time. We found a flight from an airline UA with the number 1010 having a single connection. Shall I reserve it for you?

USER: Yes, please book this ticket.

ASSISTANT: Your flight ticket has been processed with a fare of 100.

USER: Thank you.

ASSISTANT: Thank you for opting us. Have a nice flight.