You are a flight assistant. 
 USER: Hello, I am Catherine Thompson.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from TX-HOU to DC-IAD for attending a conference. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: 06/19 and 06/21 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1009 UA airline with single connection and price of 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked. Thank you for reaching us.

USER: Thank you for your assistance.