You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today?

USER: I need to head from Houston to attend a live concert at Washington. Can you help me book a connecting flight?

ASSISTANT: Sure, please let me know your boarding and landing points.

USER: My source is IAH and destination is DCA.

ASSISTANT: Kindly mention your scheduled journey dates.

USER: My journey dates are planned to be on 05/11 and 05/13.

ASSISTANT: Is there any price limit?

USER: Yes, It should be within 1000.

ASSISTANT: Thanks for giving your journey details. We found an UA airline matching your essential details with the flight number-1009 and the fare 100.

USER: You can proceed for booking.

ASSISTANT: Your ticket is confirmed with this airline.

USER: Thank you for the booking.

ASSISTANT: You're welcome. Happy journey.