You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: I would like to take off on Aug 1 and return on Aug 3.

ASSISTANT: Do you have any break in between journey?

USER: I am comfortable with any connection.

ASSISTANT: May I know your class preference?

USER: I am fine with any class.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I have your good name?

USER: My name is Jennifer Harris.

ASSISTANT: We found a connecting flight in Hawaiian airlines with a fare of 200 which departs at 11:00 and return at 13:00. Shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1011.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.