You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Garcia.

ASSISTANT: How can I help you?

USER: I would like to meet my friend on her birthday. Could you please help me to book a ticket from ORD to HOU?

ASSISTANT: Please let me know your travelling dates.

USER: My travelling dates will be on 07/22 to 07/24.

ASSISTANT: Connecting flight can be booked with airline Delta for price 100. Shall I book a ticket?

USER: You can proceed to booking.

ASSISTANT: Ticket is booked having flight number 1026.

USER: Thank you.

ASSISTANT: Thanks.